21 1/2x23x1 Exact MERV 14 Plus Carbon AC Furnace Filters Number Per Box:6 Nordic Pure 12x24x4 MERV 12

Nordic Pure 12x24x4 MERV 12 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Actual Size: 23 3/8 x 23 3/8 x 3 5/8 (23

Actual Size: 21 1/2 x 25 1/2 x 3/4 (21

please make sure you order the exact size you need to the fraction of an inch

If you are replacing a 4 3/8 depth 20x25x4 filter in your Honeywell unit you should order our 20x25x5 Honeywell Replacement air filter that measures 19 7/8 x 24 7/8 x 4 3/8 (19

21 1/2x23x1 Exact MERV 14 Plus Carbon AC Furnace Filters Number Per Box:6 Nordic Pure 12x24x4 MERV 12Actual Size: 21 1 2 x 23 x 3 4 (21. 5 x 23 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA.